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Texas Instruments AM335 Series Technical Reference Manual

Texas Instruments AM335 Series
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17.1.4.1.2.3 Main Sequence - Receiving a Message (Polling Method)
Table 17-10. Receiving a Message (Polling Method)
Step Register/Bitfield/Programming Model Value
IF : Number of messages is not equal to 0 MAILBOX_MSGSTATUS_m[2:0].NBOFM !=0h
SGMB
Read message MAILBOX_MESSAGE_m[31:0].MESSAG ----h
EVALUEMBM
ENDIF
17.1.4.1.2.4 Main Sequence - Receiving a Message (Interrupt Method)
Table 17-11. Receiving a Message (Interrupt Method)
Step Register/Bitfield/Programming Model Value
Enable interrupt event MAILBOX_IRQENABLE_SET_u[0 + m*2] 1h
User(processor) can perform anothr task until interrupt occurs
17.1.4.1.3 Events Servicing
17.1.4.1.3.1 Sending Mode
Table 17-12 describes the events servicing in sending mode.
Table 17-12. Events Servicing in Sending Mode
Step Register/Bitfield/Programming Model Value
Read interrupt status bit MAILBOX_IRQSTATUS_CLR_u[1 + m*2] 1
Write message MAILBOX_MESSAGE_m[31:0].MESSAG ----h
EVALUEMBM
Write 1 to acknowledge interrupt MAILBOX_IRQSTATUS_CLR_u[1 + m*2] 1
17.1.4.1.3.2 Receiving Mode
Table 17-13 describes the events servicing in receiving mode.
Table 17-13. Events Servicing in Receiving Mode
Step Register/Bitfield/Programming Model Value
Read interrupt status bit MAILBOX_IRQSTATUS_CLR_u[0 + m*2] 1
IF : Number of messages is not equal to 0 MAILBOX_MSGSTATUS_m[2:0].NBOFM !=0h
? SGMB
Read message MAILBOX_MESSAGE_m[31:0].MESSAG ----h
EVALUEMBM
ELSE
Write 1 to acknowledge interrupt MAILBOX_IRQSTATUS_CLR_u[0 + m*2] 1
ENDIF
3244
Interprocessor Communication SPRUH73HOctober 2011Revised April 2013
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Texas Instruments AM335 Series Specifications

General IconGeneral
BrandTexas Instruments
ModelAM335 Series
CategoryComputer Hardware
LanguageEnglish

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